CREDIT AGREEMENT among SOUTHWESTERN PUBLIC SERVICE COMPANY, as Borrower, The Several Lenders from Time to Time Parties Hereto, BARCLAYS BANK PLC and HARRIS NESBITT FINANCING, INC., as Documentation Agents, THE BANK OF NEW YORK and WELLS FARGO BANK,...Credit Agreement • May 2nd, 2005 • Xcel Energy Inc • Electric & other services combined • New York
